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CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) (Parenthetical) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Statement of Stockholders' Equity [Abstract]    
Distributions paid to redeemable non-controlling interest $ 16 $ 16
Change in total net income (loss), Redeemable noncontrolling interest $ 16 $ 17